tell mary that there`s someone( )for her at the door a waiting b waited c wait ...

问题描述:

tell mary that there`s someone( )for her at the door a waiting b waited c wait ...
tell mary that there`s someone( )for her at the door a waiting b waited c wait d to wait这里作什么成分啊,还有宾补是什么啊?

waiting
现在分词表示正在进行的动作,有人“正等在门口”
宾补:补充说明宾语的成份
本句:tell 谓语,Mary是tell的间接宾语,后面的从句是宾语从句作tell的直接宾语,告诉的内容